操作系统的启动界面:在操作系统启动过程中,可以使用EFI_GRAPHICS_OUTPUT_PROTOCOL Blt函数来显示启动界面,包括进度条、LOGO等。 图形界面应用程序:在图形界面应用程序中,可以使用EFI_GRAPHICS_OUTPUT_PROTOCOL Blt函数来实现图像的显示、动画效果等。 游戏开发:在游戏开发中,可以使用EFI_GRAPHICS_OUTPUT_PROTOCOL Blt函数...
PosY = SizeOfY *48/50;if(BlockNum ==0) {/// Clear progress area//SetMem (&Color,sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL),0x0);if(GraphicsOutput !=NULL) { Status = GraphicsOutput->Blt( GraphicsOutput,//...这里部分代码省略... 开发者ID:brinlyaus,项目名称:shiny-boot, a rectangle of ...
EFI_Graphics_Output_Protocol 中的 Blt 可以实现在屏幕上绘制图形的功能。 其中的一个参数 EfiBltVideoFill 可以用来填充整个屏幕的颜色,从而实现清屏的目的。 #include <Uefi.h> #include <Library/UefiLib.h> #include <Library/ShellCEntryLib.h> #include <stdio.h> #include <stdlib.h> #include <wchar....
{ EFI_STATUS Status; EG_IMAGE *Image; Status = gBS->LocateProtocol(&GraphicsOutputProtocolGuid, NULL, (VOID **) &GraphicsOutput); if (EFI_ERROR(Status)) { GraphicsOutput = NULL; Print(L"Loading Graphics_Output_Protocol error!\n"); return EFI_SUCCESS; } Image=egDecodeBMP((UINT8 *)&...
IN EFI_GUID *Protocol, IN VOID *Registration, OUT VOID **Interface ){ EFI_STATUS Status; VOID *InterfaceIn = *Interface; Status = gOrgBS.LocateProtocol(Protocol, Registration, Interface); PRINT("->LocateProtocol(%s, %p, %p/%p) = %r\n", GuidStr(Protocol), Registration, InterfaceIn, *In...
(&GraphicsOutputProtocol, (VOID**) &graphics_output); if (err) { return err; } // Clear screen before displaying image err = uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut); if (err) { return err; } // Calculate position of image UINTN hres = graphics_output->Mode...
We read every piece of feedback, and take your input very seriously. Include my email address so I can be contacted Cancel Submit feedback Saved searches Use saved searches to filter your results more quickly Cancel Create saved search Sign in Sign up Reseting focus ...
EFI是ExtensibleFirmware Interface的缩写，是介于平台固件和操作系统之间的一层软件接口。EFI是Intel在1998...
SIMPLE_TEXT_OUTPUT_INTERFACE *conOut = systemTable->ConOut; EFI_EVENT event = systemTable->ConIn->WaitForKey; UINTN index;inti, modeCount; EFI_STATUS status = bs->LocateProtocol(&GraphicsOutputProtocolGUID,NULL, (void**)&graphicsProtocol);if(EFI_ERROR(status) || graphicsProtocol ==NULL) ...
Status = GetFvbInfoByAddress (NvStorageVariableBase,NULL, &FvbProtocol);if(EFI_ERROR (Status)) {return; } mVariableModuleGlobal->FvbInstance = FvbProtocol;/// Mark the variable storage region of the FLASH as RUNTIME.//VariableStoreBase = mVariableModuleGlobal->VariableGlobal.NonVolatileVariable...